Lars Arvid Nilsen (born 15 April 1965 in Notodden) is a retired Norwegian shot putter.

[2] Later in 1991 he won the bronze medal at the World Championships in Tokyo with a throw of 20.75 metres, but as the silver medalist, Nilsen's countryman Georg Andersen was later disqualified from the competition because of using a banned substance, Nilsen was promoted to silver medal position.

[3] Nilsen's last international competition was the 1992 European Indoor Championships, where he finished seventh.

[1] Nilsen was a two-time NCAA Division I champion in the shot put for the SMU Mustangs track and field team.

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